3-Thiovinylcephalosporins and pharmaceutical compositions
US4415562A · kind A · utility
2Cited by
1References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1981 |
| Grant date | Nov 15, 1983 |
| Priority date | — |
| Expiry date | Nov 19, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D317/28
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New cephalosporins of the general formula: ##STR1## in which R is alkyl, L-2-amino-2-carboxyethyl, phenyl or various heterocyclic rings, R' is a hydrogen atom or a radical of the general formula: ##STR2## and R.degree. is hydrogen, alkyl, vinyl, cyanomethyl or a carboxyalkyl radical of the general formula: ##STR3## and also their salts, their preparation and the pharmaceutical compositions in which they are present.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.